Viruses and connective tissue diseases.
D001327:Autoimmune Diseases; D003095:Collagen Diseases / Q000209:etiology* / Q000276:immunology; D005260:Female; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000209:etiology; D008297:Male; D012216:Rheumatic Diseases / Q000209:etiology; D014777:Virus Diseases